81578112

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 282009600

約数和(自身を除く): 200431488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 32, 33, 42, 44, 48, 56, 62, 64, 66, 77, 84, 88, 89, 93, 96, 112, 124, 128, 132, 154, 168, 176, 178, 186, 192, 217, 224, 231, 248, 264, 267, 308, 336, 341, 352, 356, 372, 384, 434, 448, 462, 496, 528, 534, 616, 623, 651, 672, 682, 704, 712, 744, 868, 896, 924, 979, 992, 1023, 1056, 1068, 1232, 1246, 1302, 1344, 1364, 1408, 1424, 1488, 1736, 1848, 1869, 1958, 1984, 2046, 2112, 2136, 2387, 2464, 2492, 2604, 2688, 2728, 2759, 2848, 2937, 2976, 3472, 3696, 3738, 3916, 3968, 4092, 4224, 4272, 4774, 4928, 4984, 5208, 5456, 5518, 5696, 5874, 5952, 6853, 6944, 7161, 7392, 7476, 7832, 8184, 8277, 8544, 9548, 9856, 9968, 10416, 10912, 11036, 11392, 11748, 11904, 13706, 13888, 14322, 14784, 14952, 15664, 16368, 16554, 17088, 19096, 19313, 19936, 20559, 20832, 21824, 22072, 23496, 27412, 27776, 28644, 29568, 29904, 30349, 31328, 32736, 33108, 34176, 38192, 38626, 39872, 41118, 41664, 43648, 44144, 46992, 54824, 57288, 57939, 59808, 60698, 62656, 65472, 66216, 76384, 77252, 79744, 82236, 83328, 88288, 91047, 93984, 109648, 114576, 115878, 119616, 121396, 125312, 130944, 132432, 152768, 154504, 164472, 176576, 182094, 187968, 212443, 219296, 229152, 231756, 239232, 242792, 264864, 305536, 309008, 328944, 353152, 364188, 375936, 424886, 438592, 458304, 463512, 485584, 529728, 618016, 637329, 657888, 728376, 849772, 877184, 916608, 927024, 971168, 1059456, 1236032, 1274658, 1315776, 1456752, 1699544, 1854048, 1942336, 2472064, 2549316, 2631552, 2913504, 3399088, 3708096, 3884672, 5098632, 5827008, 6798176, 7416192, 10197264, 11654016, 13596352, 20394528, 27192704, 40789056, 81578112]

約数ペア:

[(1, 81578112), (2, 40789056), (3, 27192704), (4, 20394528), (6, 13596352), (7, 11654016), (8, 10197264), (11, 7416192), (12, 6798176), (14, 5827008), (16, 5098632), (21, 3884672), (22, 3708096), (24, 3399088), (28, 2913504), (31, 2631552), (32, 2549316), (33, 2472064), (42, 1942336), (44, 1854048), (48, 1699544), (56, 1456752), (62, 1315776), (64, 1274658), (66, 1236032), (77, 1059456), (84, 971168), (88, 927024), (89, 916608), (93, 877184), (96, 849772), (112, 728376), (124, 657888), (128, 637329), (132, 618016), (154, 529728), (168, 485584), (176, 463512), (178, 458304), (186, 438592), (192, 424886), (217, 375936), (224, 364188), (231, 353152), (248, 328944), (264, 309008), (267, 305536), (308, 264864), (336, 242792), (341, 239232), (352, 231756), (356, 229152), (372, 219296), (384, 212443), (434, 187968), (448, 182094), (462, 176576), (496, 164472), (528, 154504), (534, 152768), (616, 132432), (623, 130944), (651, 125312), (672, 121396), (682, 119616), (704, 115878), (712, 114576), (744, 109648), (868, 93984), (896, 91047), (924, 88288), (979, 83328), (992, 82236), (1023, 79744), (1056, 77252), (1068, 76384), (1232, 66216), (1246, 65472), (1302, 62656), (1344, 60698), (1364, 59808), (1408, 57939), (1424, 57288), (1488, 54824), (1736, 46992), (1848, 44144), (1869, 43648), (1958, 41664), (1984, 41118), (2046, 39872), (2112, 38626), (2136, 38192), (2387, 34176), (2464, 33108), (2492, 32736), (2604, 31328), (2688, 30349), (2728, 29904), (2759, 29568), (2848, 28644), (2937, 27776), (2976, 27412), (3472, 23496), (3696, 22072), (3738, 21824), (3916, 20832), (3968, 20559), (4092, 19936), (4224, 19313), (4272, 19096), (4774, 17088), (4928, 16554), (4984, 16368), (5208, 15664), (5456, 14952), (5518, 14784), (5696, 14322), (5874, 13888), (5952, 13706), (6853, 11904), (6944, 11748), (7161, 11392), (7392, 11036), (7476, 10912), (7832, 10416), (8184, 9968), (8277, 9856), (8544, 9548)]